20230320, 18:51  #2289  
"James Heinrich"
May 2004
exNorthern Ontario
4,157 Posts 
He probably did it, but since it now shows up as a TF gap I redid it:
no factor for M333333493 from 2^79 to 2^80 [mfaktc 0.21 barrett87_mul32_gs] tf(): total time spent: 44m 8.503s Or, formatted: Quote:
Last fiddled with by James Heinrich on 20230320 at 18:52 

20230321, 03:41  #2290 
Sep 2002
2^{2}×3×71 Posts 
P1 found a factor in stage #2, B1=501000, B2=16987500.
UID: Jwb52z/Clay, M117383251 has a factor: 4607805263510756479738961 (P1, B1=501000, B2=16987500) 81.930 bits. 
20230321, 16:07  #2291 
May 2013
Poland
107 Posts 
I found 4 factors: sixth (254707775084069984279  67.8 bits); seventh (1026695470153012861417  69.8 bits); eighth (8651909121526379308519  72.9 bits) and ninth (29616184428737548369319  74.6 bits) for M662869847
Last fiddled with by Miszka on 20230321 at 16:10 
20230321, 16:21  #2292 
"James Heinrich"
May 2004
exNorthern Ontario
4,157 Posts 
Nice! The smallest one would've been found in a few weeks by TJAOI, but you got there first.
Outside GIMPS range, but I recently found 3 factors for M4267897171 within 0.85 bits of each other: 73.915bit M4267897171 has a factor: 17807676876562259133311 74.723bit M4267897171 has a factor: 31174335411508659346271 74.765bit M4267897171 has a factor: 32092274269846547707271 
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